Earthwork laboratory tests and suction – experimental and numerical approach Dino Mahmutovic, Soanarivo Rinah Andriantrehina, Luc Boutonnier, Jacques Monnet, Saïd Taibi and Thierry Dubreucq E3S Web Conf., 9 (2016) 20006 Published online: 12 September 2016 DOI: 10.1051/e3sconf/20160920006